#define CH_DIMMER 0   //DMX 1 ch  
#define CH_RGBW   1   //DMX 4 ch
#define CH_RGB    2   //DMX 3 ch
#define CH_PWM    3   //PWM output directly to PIN
#define CH_MODBUS 4   //Modbus AC Dimmer
#define CH_THERMO 5   //Simple ON/OFF thermostat 
#define CH_RELAY  6   //ON_OFF relay output
#define CH_GROUP   7  //Group pseudochannel
#define CH_VCTEMP  8  //Vacom PID regulator
#define CH_VC      9  //Vacom modbus motor regulator 
#define CH_WHITE   127// 

#define CMD_ON  1
#define CMD_OFF 2
#define CMD_HALT 5
#define CMD_RESTORE 3
#define CMD_TOGGLE 4
#define CMD_CURTEMP 127
#define CMD_SET 9

#define I_TYPE 0 //Type of item
#define I_ARG  1 //Chanel-type depended argument or array of arguments (pin, address etc) 
#define I_VAL  2 //Latest preset (int or array of presets)
#define I_CMD  3 //Latest CMD received
#define I_EXT  4 //Chanell-depended extension - array

#include "aJSON.h"

extern aJsonObject *items; 
 
int txt2cmd (char * payload);

typedef union 
{
  long int aslong;
  struct
      {
        int16_t h;
        int8_t  s;
        int8_t  v;        
      };
} HSVstore;

class Item 
{
  public:
  aJsonObject *itemArr, *itemArg,*itemVal;
  uint8_t itemType;
 

  Item(char * name);
  boolean isValid ();
  virtual int Ctrl(short cmd, short n=0, int * Par=NULL, boolean send=false);
  int getArg();
  boolean getEnableCMD(int delta);
  //int getVal(short n); //From VAL array. Negative if no array
  long int getVal(); //From int val OR array
  uint8_t getCmd();
  void setCmd(uint8_t cmd);
  //void setVal(uint8_t n, int par);
  void setVal(long int par);
  //void copyPar (aJsonObject *itemV);
  inline int On (){Ctrl(CMD_ON);};
  inline int Off(){Ctrl(CMD_OFF);};
  inline int Toggle(){Ctrl(CMD_TOGGLE);};
  int Pool ();
  int SendCmd(short cmd,short n=0, int * Par=NULL);
  
  protected:  
  int VacomSetFan (int addr, int8_t  val);
  int VacomSetHeat(int addr, int8_t  val, int8_t  cmd=0);

};



class PooledItem : public Item
{
  public:
  virtual int Changed() = 0;
  virtual void Idle ();
  protected:
  int PoolingInterval;
  unsigned long next;
  virtual int Pool() =0;
  
};



/*

class Vacon : public Item
{
public:
int Pool ();
virtual int Ctrl(short cmd, short n=0, int * Par=NULL);
protected:  
};

*/